syzkaller login: [ 39.060627] ------------[ cut here ]------------ [ 39.061551] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.063587] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 39.065068] Modules linked in: [ 39.065726] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.067720] Tainted: [W]=WARN [ 39.068267] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.069759] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.070683] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.073833] RSP: 0018:ffff8880178efbc0 EFLAGS: 00010286 [ 39.074806] RAX: 0000000000000000 RBX: ffffed1002f1df78 RCX: ffffffff813a4050 [ 39.076091] RDX: ffff888016699bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.077395] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f1df2f [ 39.078674] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.079958] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880178efdf8 [ 39.081254] FS: 00007fa814ef0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.082700] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.083768] CR2: 00007fa8154564a6 CR3: 000000000ccdb000 CR4: 0000000000350ef0 [ 39.085078] Call Trace: [ 39.085576] [ 39.085984] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.086885] ? __create_object+0x59/0x80 [ 39.087683] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.088668] __vmalloc_noprof+0x59/0x60 [ 39.089380] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.090264] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.091189] bpf_prog_alloc+0x39/0x200 [ 39.091947] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.092889] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.093805] do_seccomp+0x349/0x25e0 [ 39.094538] ? find_held_lock+0x2b/0x80 [ 39.095268] ? do_prlimit+0x310/0x610 [ 39.096031] ? __pfx_do_seccomp+0x10/0x10 [ 39.096845] ? do_raw_spin_unlock+0x53/0x220 [ 39.097698] ? _raw_spin_unlock+0x1e/0x40 [ 39.098427] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.099396] ? static_key_count+0x60/0x80 [ 39.100204] prctl_set_seccomp+0x4e/0x70 [ 39.100999] __do_sys_prctl+0xe6c/0x1d70 [ 39.101794] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.102659] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.103644] ? irqentry_exit+0xf3/0x650 [ 39.104380] do_syscall_64+0xbf/0x430 [ 39.105147] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.106110] RIP: 0033:0x7fa8153e25cd [ 39.106812] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.109988] RSP: 002b:00007ffe412eaf70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.111356] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa8153e25cd [ 39.112658] RDX: 000055cdd45bce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.113953] RBP: 00007ffe412eafd0 R08: 0000000000000000 R09: 00007ffe412ea670 [ 39.115242] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ce0e8efbf0 [ 39.116551] R13: 00007ffe412eb400 R14: 000055ce0e8f9380 R15: 000055ce0e904460 [ 39.117859] [ 39.118293] irq event stamp: 1739 [ 39.118941] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 39.120537] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 39.122062] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 39.123598] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 39.125127] ---[ end trace 0000000000000000 ]--- [ 42.580630] ------------[ cut here ]------------ [ 42.581561] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.583596] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.585044] Modules linked in: [ 42.585674] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.587704] Tainted: [W]=WARN [ 42.588269] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.589729] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.590635] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.593771] RSP: 0018:ffff888019737bc0 EFLAGS: 00010286 [ 42.594736] RAX: 0000000000000000 RBX: ffffed10032e6f78 RCX: ffffffff813a4050 [ 42.595999] RDX: ffff8880168e1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.597276] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032e6f2f [ 42.598549] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.599801] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019737df8 [ 42.601089] FS: 00007f40fd29f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.602516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.603535] CR2: 00007f40fd8054a6 CR3: 000000000e5ca000 CR4: 0000000000350ef0 [ 42.604813] Call Trace: [ 42.605266] [ 42.605702] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.606589] ? __create_object+0x59/0x80 [ 42.607315] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.608278] __vmalloc_noprof+0x59/0x60 [ 42.609031] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.609904] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.610823] bpf_prog_alloc+0x39/0x200 [ 42.611548] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.612416] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.613324] do_seccomp+0x349/0x25e0 [ 42.614034] ? find_held_lock+0x2b/0x80 [ 42.614787] ? do_prlimit+0x310/0x610 [ 42.615477] ? __pfx_do_seccomp+0x10/0x10 [ 42.616258] ? do_raw_spin_unlock+0x53/0x220 [ 42.617086] ? _raw_spin_unlock+0x1e/0x40 [ 42.617861] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.618812] ? static_key_count+0x60/0x80 [ 42.619602] prctl_set_seccomp+0x4e/0x70 [ 42.620323] __do_sys_prctl+0xe6c/0x1d70 [ 42.621109] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.621949] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.622908] ? irqentry_exit+0xf3/0x650 [ 42.623668] do_syscall_64+0xbf/0x430 [ 42.624355] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.625297] RIP: 0033:0x7f40fd7915cd [ 42.626023] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.629142] RSP: 002b:00007ffca5c1cfa0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.630481] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f40fd7915cd [ 42.631767] RDX: 00005651c9466e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.633046] RBP: 00007ffca5c1d000 R08: 0000000000000000 R09: 00007ffca5c1c6a0 [ 42.634315] R10: 0000000000000000 R11: 0000000000000246 R12: 00005651daa1dad0 [ 42.635593] R13: 00007ffca5c1d430 R14: 00005651daa1ebc0 R15: 00005651daa2f780 [ 42.636900] [ 42.637317] irq event stamp: 1731 [ 42.637957] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 42.639445] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 42.640952] softirqs last enabled at (1642): [] handle_softirqs+0x50c/0x770 [ 42.642475] softirqs last disabled at (1637): [] __irq_exit_rcu+0xc4/0x100 [ 42.643994] ---[ end trace 0000000000000000 ]--- [ 43.424937] ------------[ cut here ]------------ [ 43.426064] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.428633] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.430437] Modules linked in: [ 43.431229] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.433722] Tainted: [W]=WARN [ 43.434420] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.436230] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.437399] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 43.441343] RSP: 0018:ffff8880163ffbc0 EFLAGS: 00010286 [ 43.442583] RAX: 0000000000000000 RBX: ffffed1002c7ff78 RCX: ffffffff813a4050 [ 43.444205] RDX: ffff8880165f8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.445683] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c7ff2f [ 43.446959] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.448218] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880163ffdf8 [ 43.449523] FS: 00007fb7cf3f4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.450940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.451973] CR2: 00007fb7cf8e6580 CR3: 000000000e46d000 CR4: 0000000000350ef0 [ 43.453252] Call Trace: [ 43.453756] [ 43.454159] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.455043] ? __create_object+0x59/0x80 [ 43.455808] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.456779] __vmalloc_noprof+0x59/0x60 [ 43.457483] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.458339] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.459252] bpf_prog_alloc+0x39/0x200 [ 43.459973] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.460893] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.461795] do_seccomp+0x349/0x25e0 [ 43.462458] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.463348] ? __pfx_do_seccomp+0x10/0x10 [ 43.464118] ? find_held_lock+0x2b/0x80 [ 43.464867] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.465813] ? static_key_count+0x60/0x80 [ 43.466603] prctl_set_seccomp+0x4e/0x70 [ 43.467326] __do_sys_prctl+0xe6c/0x1d70 [ 43.468104] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.468962] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.469916] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.470877] ? irqentry_exit+0xf3/0x650 [ 43.471635] do_syscall_64+0xbf/0x430 [ 43.472317] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.473276] RIP: 0033:0x7fb7cf8e65cd [ 43.473964] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 43.477063] RSP: 002b:00007ffd76564810 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.478392] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb7cf8e65cd [ 43.479649] RDX: 0000563b79834e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.480934] RBP: 00007ffd76564870 R08: 0000000000000000 R09: 00007ffd76563f10 [ 43.482193] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563b979e72b0 [ 43.483461] R13: 00007ffd76564ca0 R14: 0000563b979e9d20 R15: 0000563b979fb8d0 [ 43.484769] [ 43.485189] irq event stamp: 1797 [ 43.485755] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 43.486980] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 43.488190] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 43.489427] softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100 [ 43.490651] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:14038' (ECDSA) to the list of known hosts. 2025/11/17 23:39:38 fuzzer started 2025/11/17 23:39:39 dialing manager at localhost:37895 2025/11/17 23:39:39 checking machine... 2025/11/17 23:39:39 checking revisions... [ 44.388699] kmemleak: Automatic memory scanning thread ended 2025/11/17 23:39:39 testing simple program... [ 44.482148] cgroup: Unknown subsys name 'net' [ 44.542703] cgroup: Unknown subsys name 'cpuset' [ 44.563019] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:39:38 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=00000000c60c60a9 RDX=ffff888016353780 RSI=ffffffff822f68f4 RDI=ffff88800f3cc948 RBP=ffff88800f9900d8 RSP=ffff888018977a60 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000200 R11=0000000000000001 R12=ffff88800f3cc800 R13=ffff88800f9900d8 R14=0000000000000001 R15=dffffc0000000000 RIP=ffffffff82304ebc RFL=00000286 [--S--P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f40fd29f900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f40fd856618 CR3=0000000020da2000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000025ed5 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005651daa56fe0 CR3=000000000da8e000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=3745f65e0efb0f923a4067273ed26fc4 XMM02=0000000000303b68ec2efd57dc4c00df XMM03=000000000030f770051b6bb2159174a3 XMM04=9ce85c6328c8300200000000000ae988 XMM05=59e8f270b7fa85500000000000320c50 XMM06=817b8945e9d503730000000000320078 XMM07=e042d86d42eb936e000000000030f9f0 XMM08=051b6bb2159174a30000000000303bc8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000